21369927

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{4517}}^1$

素因数の和:4622

約数の個数: 16

約数和(自身を含む): 30360960

約数和(自身を除く): 8991033

約数列:

[1, 3, 19, 57, 83, 249, 1577, 4517, 4731, 13551, 85823, 257469, 374911, 1124733, 7123309, 21369927]

約数ペア:

[(1, 21369927), (3, 7123309), (19, 1124733), (57, 374911), (83, 257469), (249, 85823), (1577, 13551), (4517, 4731)]